# SDR DALA2021011100163

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2021
- Submitted: January 11, 2021
- Operation: Air carrier
- Aircraft: [N364NW](https://openairdocs.org/aircraft/N364NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 0962
- Aircraft time: 65,271 hours, 30,162 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Psu
- Condition: No Test
- Location: Oxygen Masks
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021011100163

## Discrepancy

DURING TEST ROWS 2AB, 12ABC, 14DEF, 21DEF, 23DEF O2 MASKS DID NOT DEPLOY.  CORRECTIVE ACTION: R & R PSU AT ROWS 2AB, 12ABC, 14DEF, 21DEF, 23DEF PER A320 AMM 25-25.  PASSED SECOND TEST.  OK FOR SERVICE.

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